PIP212-12M Datasheet, PDF (12/21 Pages) NXP Semiconductors – DC-to-DC converter powertrain

Philips Semiconductors
PIP212-12M
DC-to-DC converter powertrain
11.2 V_DDG supply options
The following options can be used for the lower MOSFET driver supply (V_DDG).
conversion supply
control circuit supply
5 V external gate drive
PWM input
V_DDG V_DDC
V_DDO
CBP
VI _{PIP212-12M CBN}
VDDG_EN
VO
V_SSC
V_SSO
100 nF
L_out
C_out
output
signal ground power ground
03ar56
Fig 11. Dual supply operation using 5 V external supply for V_DDG
conversion supply
control circuit supply
PWM input
open circuit
V_DDG V_DDC
V_DDO
CBP
VI _PIP212-12M ^CBN
VDDG_EN
V_SSC
VO
V_SSO
100 nF
L_out
C_out
output
signal ground power ground
03ar57
Fig 12. Single supply operation using internal supply for V_DDG
conversion supply
control circuit supply
PWM input
V_DDG V_DDC
V_DDO
CBP
VI
PIP212-12M ^CBN
VDDG_EN
VO
V_SSC
V_SSO
100 nF
L_out
C_out
output
signal ground power ground
03ar55
Fig 13. Single supply operation using external supply for V_DDG
9397 750 14586
Preliminary data sheet
Rev. 02 — 2 March 2005
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
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